Portable installation and disassembly: The installation process is so simple that only you should do is to connect the retaining ring to the ninja line or the swing set. It can be removed without taking too much time. All of that wont cost 10 seconds. Perfect Training Course: Besides the regular training course you can turn your slack line into a Ninja obstacle course which can help kids and youth develop their overall upper-body strength as well as coordination. Manufacturered by AQPAKEE. Design For Kids: 12 in Bars and 13.5 in nylon chains and steel carabiners gives a high loading weight up to 220lbs for boys&girls age 3yrs up. More fun options: 3 colorful monkey bars in blue red and yellow.There are 2 hooks on each hanger and accessories for other Ninja Warrior obstacle courses to make the game even more fun for kids!Isn't What a nice birthday present for the children! Excellent Playground Equipment: This monkey bar can be regarded as a good replacement part for sports equipment. In this way you can add or change those replacement parts for your ninja line/ slack lines. Each bar is made of high-quality smooth wood material with great durability and additionally.